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Summary of Contents for MX80

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Page 2: ...ed with the unit to increase your familiarity A short outline of operating procedures is also printed on the back of the calculator OPERATION AC Operation Set the switch on the back of the Charger Power Supply to the electrical outlet voltage Le 115 or 230 Volts Plug the Charger into the outlet and the connector into the Calculator Note that the connector is keyed After these connections the power...

Page 3: ...etained as a constant for series multiplication or division Performs mark up and discount operallon Clears the Calculator and the display of all numbers Clears the display of the previous keyboard entry Enters a multiply command Enters a divide command Adds the entered number or carries out a previously entered multiply or divide command Turns Calculator ON OFF Key Key Key Key Key Key 1 ON Switch ...

Page 4: ...2 To enter write a number Example enter 123 45 A First clear by touchingll B Then touch number and decimal keys for 123 45 one at a time Always start with the left hand digit and progress from left to right Display will then be 1 To clear erase A Touch thell Key B Cleared display will be 123 45 3 To clear an incorrect entry Example 48 12 is your calculation A You have already entered 48 Display is...

Page 5: ...6 39 9 83 26 22 a ToUChll b Enter 12 81 c Touchll d Enter 3 6 e Touch Answer 12 81 12 81 9 21 19 1 14 1 Example 2 To calculate 23 6 2 1 5 Do these steps display will be a TouchB b Enter 23 c TouCh d Enter 6 e Touch f Enter 2 1 g Touch II h Enter 5 i TouCh Answer 37 4 33 3 c Touch d Enter 9 Example 2 To calculate 16 I 9 8 3 4 1 Do these steps display will be a TOUChl b Enter 16 e Touch 1 Enter 8 3 ...

Page 6: ...10 20 10 50 Answer f Enter 10 c Touch d Enter 82 e Touch II Example 3 To calculate 62 82 10 40 Do these steps display will be 8 Touch II b Enter 62 g TouChl l h Enter 40 I Touch 186 31 a Touch II b Push K on up f c Enter 31 t d Touch 13 Enter 6 e I Touch 1 1 1st Answer g Enter 8 2 29 32 56 5 29 32 16 6 58 Answer 3 MULTIPLICATION Example 1 To calculate 29 32 x 56 5 Do these steps display will be a ...

Page 7: ...er Enter11 b Push K on up Example 3 To calculate 181 15 Use of K switch 96 15 117715 Do these steps display will be J Touch II 3rd Answer 376 376 7 094339622 53 k Push K off down c Touch a d Enter 53 4 DIVISION Example 1 To calculate 376 53 Do these steps display will be a Touch II b Enter 376 e Touch Answer Example 2 To calculate 81 3 9 00 these steps display will be a Touch II b Enter 81 c Touch...

Page 8: ... Enter 250 b Touch 13 c Enter 10 d TouChm e Touch Value After 100 j Olscoun f Touch EI g Enter 5 250 250 225 225 Example 2 Markup after adding 3 sales tax on an item of 16 00 Do these steps display will be h Touch m I Touch DlFinal Amount to be Paid 11 25 236 25 a Enter 16 b TouchEi 16 Example 4 What is 75 of 125 Do these steps display will be C Enter 3 8 Touch a Final Amount 0 48 16 48 a Enter 75...

Page 9: ... Do these steps display will be 9 6 5 x 8 _ 8 20 b Enter 23 c Touch EI d Enter 4 e Touch II f Touch a 9 Enter 6 h Touch Example 2 To calculate 6 MIXED ARITHMETIC Example 1 To calculate 23 x 4 6 00 these steps display will be a Touch II Do these steps a Touch II display will be b Enter 9 c Touch II 38 d Enter 6 e Touch f Enter 5 304 1 La ...

Page 10: ...e blanked display c 426 7629279 The or symbol jndicates positive or negative overflow respectlvely and indicates an answer of more than 10 digits shown To obtain the correct decimal location lor either case simply record the displayed number and move the decimal point 10 places to the right The real answer will then be 4 267 629 279 000 C 10 places This procedure applies to all operations multipli...

Page 11: ...neral rule if improper opera1 on occurs first tly the Calculator with its charger connected lf operation is then nonna thiS indicates the baHeries are loW 8 00 not store the unit in high temperature areas such as the top of radiators or the rear deck of automobiles exposed to the sun The Calculator will operate satisfactonly over an ambient tem perature range of a to SOC 32 to 122F and relative nu...

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