Bowmar MX 100, Instructions For Use Manual

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Page 2: ...ions 01 a conventional log Iog decitrig slide rule by t 3turing a memory that eases progress through complex multiple operation problems Your new Brain operates in the algebraic mode and can accept a numerical input of as many as eight digits It handles the four basic algebraic operations addition subtraction mUltiplication and division and those scientific functions listed below all with full flo...

Page 3: ...ined from the brief outline of instruciions ptinted on tile back of the calculator 2 7 11 II JSL 14 UllIli tdI aU OPERATION AC Operation Set the switch on the back of the Charger Power Supply to the electrical outlet voltage i e 115 or 230 Volts Plug the Charger into the outlet and the connector into the Calculator Note that the connector s k 2yed AHer these connections the power switch may be iur...

Page 4: ...e y Register The y Register retalns this first number until you clear it or you exchange contents of the x and y Registers by means of a special key provided for that purpose Second your Calculator Keyboard was designed for a minimum of keys in order to pro liide optimum fingertip access within conven lent confines This feature was enabled by incorporat ing a block of dual purpose keys that work i...

Page 5: ...ition is set for a negative number enters 3 Computes the logarithm base 10 of any displayed number greater than zero Error condition is set for a negative number enters 4 Computes the arcsine in degree or ra dians of any displayed number from 0 to 1 Error condition is set tor any other number enters 5 Computes the arcosine in degrees or radians of any displayed number from 0 to 1 Error condition i...

Page 6: ... add command enters 7 Computes the sine with proper sign of any displayed angle whether in degrees or radians and whether positive or negative enters 8 Computes the cosine with proper sign of any displayed angle whether in degrees or radians and whether positive ar negative enters 9 Computes the tangent with proper sign of any displayed angle whether in degrees or radians and whether positive or n...

Page 7: ... dual function keys from Character to Function Mode Appears as Charger Cord Socket Charger Power Supply 0 11 2 To clear an incorrect entry Example 48 12 s your calculatlon A You have already entered 48 t Display is 1 To clear for new operation A Touch the key two consecutive times to clear all registers B Cleared display will be PRELIMINARY INSTRUCTIONS Exchanges contents of x and y Registers Indi...

Page 8: ...ssing to the right For full detalls refer to specific instructions and examples that follow 5 Reading a numerical result A Results 01 etght digits or less are read directly from the Display B In certain computations zeroes at the extreme right of a decimal result will be suppressed For example a result representing S16 30 may appear as B Then you enter 13 ins tead of 12 Display is 123 45 A mistake...

Page 9: ...n in either the Character Mode or the Function Mode Normally the Calculator responds directly to the Character Mode of a dual purpose key The response may be shifted to the Function Mode by first touching the iii key Touching the D key shilts Calculator response to the Function Mode for the operation of one dual purpose key only Each subsequent use of Function Mode must be preceded by operation of...

Page 10: ... will be c Touch a Example ii5 To calculate 62 82 10 40 Do these steps display will be b Enter 62 9 21 19 1 14 1 12 81 12 81 5 display wU be Answer SUBTRACTION Example 3 To calculate 12 81 3 6 Do these Tsteps display will be a Touch twice Example 4 To calculate 23 6 2 1 Do these steps a Touch fi J1 twice b Enter 12 81 c Touch a d Enter 3 6 e Touch III Answer c Touch II d Enter 6 e Touch a I Touch ...

Page 11: ...ed on a single r1umber as follows using 1he number 3 as an example Initial steps for each operation are a Touch W 1wice to get b Enter 3 then do these steps c Enter a 3 3 3 or I II or 13 or I I rl TOUGlliiI 0 0 9 e Touch II 9 3 27 f Touchll 12 6 81 g etc b Enter 81 c Touch II DIVISION Example 7 To calculate 61 3 9 Do these steps display will be a Touch twice f Enter 9 g Touch II Answer d Enter 3 e...

Page 12: ...nter N d Touch iii e Entor the number X f Touch Ell g Enter the number Y h Touch iii i Enter the number Z j lauen iii k etc I B Subtraction Example 11 a Touch twice b Enter 2N 21 j I 15 1436 1485 37 789473 20 Do these steps a Touch twice b Enter 73 c Touch a d Enter 26 e Touch E I f Enter 15 g Touch II h Enter 49 L Touch II J Enter 38 k Touchl Answer CHAIN OPERATIONS Mixed Arithmetic Example 9 To ...

Page 13: ...o DEG Do these steps display will be a Touch twice D Division Example 13 a Touch twice b Enter m c Touch II m d Enter e Touch II f Enter the number X g Touch II h E nter the number Y i Touch II j etc 2 t if NxZ Y N x N a Y h etc c Touch EI C Multiplication Example 12 a Touch t1I twice d Enter the number Y e Touch II f Enter the number Z g Touch II 12 _ J i b Enter N j etc c Touch a Touch II e Touc...

Page 14: ...98 set the DEG RAD switch to DEG Do these steps display will be b Enter 198 degrees 0 624869 Answer C Tangent Example 18 To obtain TAN 32 set the DEG RAD switch to DEG Do these steps display will be a Touch twice c Touch Ii TAN d Touch I b Enter 32 degrees 198 0 95631 4 4157 Answer a Touch W twice G TOUGhl SiN d TOUGhS c Touchm d TOUGhl il SiN e TOUChD Answer 198 198 0 309017 I Inverse Trigonometr...

Page 15: ...nction Example 23 To obtain e Do these steps a Touch twice c Touch II TAN 1 d Touch D Degrees b Enter 2 32 c Touch d Touch IJ e e Touch D Answer 0 848048 0 558505 31 99998 0 529919 31 99998 0 529919 0 529919 0 848048 1 0 529919 Degrees c Touch iii COS 1 d Touch D Radians T h lB3 twice a auc I b Enter 848048 c Touch d Touch D SIN l e Touch a b Enter 529919 a Touch twice c Touch iii SIN l d Touch a ...

Page 16: ...t m Answer EXPONENTIAL POWER 5 623 4 83 0 683947 1 726866 4 83 5 623 c Touch D lOGX d Touch EJ Answer b Enter 4 83 a Touch twice b Enter 5 623 c Touch D LNX d Touch B Answer V Common Logarithm Example 25 To obtain log o 4 83 Do these steps display will be a Touch tWice VI Square Root Example 26 To obtain 341 57 Do these steps display will be r 3 555349 87300 83 Answer 29 Example 29 To obtain 35 3 ...

Page 17: ...72 g Enter 35 To change 36 to 35 8 Touch Ii f Touch once h Touch IiIAnswer 720 O 3j 1 _ t O O 250 250 550 550 550 670 670 670 670 670 670 720 670 _R 720 120 300 120 300 670 250 300 250 36000 itt 1 J Answer display will be twice MEMORY OPERATIONS The following exercise is aimed at fami arizing you with memory operations and capability memory will contain Do these steps a Touch m b Touch em c Enter ...

Page 18: ...52173 b Ellter 3 c Touch II d Enter 46 e Touch n MIXED PROBLEMS Example 31 do 36 9 _ 8 _ 46 Do these steps display will be a Touch ril o O o O O 58 memory will hold 58 58 display will be x amrjP le 3J3 fdIO ffi13 36 36 43 36 15 36 94 36 Do these steps a Touch mtwice b Touch a c Enter 36 d Touch a e Enter 94 f Touch II g Touch 37 115902 1 1159028 8 0652173 I Touch a m Enter 36 n Touch lAnswer II i ...

Page 19: ...f Touch g Enter 2 h Touch II j Touch EI J Enter 684 k Enter II I Touch I m Touch D n Enter 1 o Touch iii o o o o o o Ail 1 Qt 1218 1218 1218 1218 1218 1218 58 58 58 58 58 58 1218 JJi 1 306936 554 01805 306936 36 8526 36 15 7 1218 58 1218 58 h Enter 36 i Touch II J Enter 15 k Touch 13 I Touch t iliI m Touch iii n Toucht 3 o Touch p Enter 36 q Touchll r Enter 43 s Touch EJ t Touch t iliI u Touch 13 ...

Page 20: ...ates positive overftow and indicates an answer of more than B digits shown To obtaIn the correct decimal location for either case simply record the displayed number and move the decimal polnt 8 places to the right The real answer will then be 4 267 629 200 000 L 8 places j This procedure applies to all operations Use the a key to clear the overflow 11 J L2 o o o O O O O O o o UJ H 0 0144792 0 0144...

Page 21: ...low low battery and scientific mode indicator Decima Point Full floating decimal point Accuracy Algebraic Functions 8 digits Scientific Functions the 6 left most digits shafl be correct to within i in the sixth digit from the left including any suppressed zeroes Power AC Operation 110 120V 50 60 Hertz Battery Operation NiCad Celis 3 4 hour operation 7 hour charge 38 Electronic Configuration Solid ...

Page 22: ...tteries that have been neither used nor charged for as long as 2 or 3 months will suffer substantial loss of operating time through a tendency to self discharge As a general rule batteries lose about 1 0 charge per day due to self discharge at norma temperatures 4 For optimum performance and long life a Alternate frequently between Battery and AC power b Operate at or near normal room temperatures...