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Summary of Contents for MX55

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Page 2: ... and mixed calculations We suggest that this Instruction Manual be read with the calculator in hand Performing the operations as you read them will increase your familiarity with them 2 CONTROLS AND INDICATORS See diagram on back page foldout 1 Charger cord socket 2 ON switch turns calculator ON and OFF I 3 II Key Enters a subtract command and performs any possible pre ceding operation 4 Key Enter...

Page 3: ...CHger Powcr supply Overflow Indicator Indicates a calculation result with more than eight digits Appears as Minus Sign Indicator Indicates a negative number and Immeciiately precedes a number Appears as Low Battery Indicator Warns of need for t attery recharging during battery operation Appears as Decimal Point Indicator Automatically appears to the right of any number entered unless inserted in a...

Page 4: ...AC the internal batteries are automatically charged whether the power switch is ON or OFF The calculator may be used during the charge period 7 hours are required to fully charge completely discharged batteries with calculator off Note Although no damage will result from prolonged periods with the charger connected it is advisable to remove the charger cord when the calculator is not in use after ...

Page 5: ...y the Calculator with its charger connected If operation is normal the batteries need charging 5 Do not store the Calculator in hlgh temperature areas such as the top 01 radiators or the rear deck of automobiles The Calculator wiIJ operate sat lsfaclorlly over an ambient temperature range of 0 to SOcC 320 to 122 F and relative humidity to 95 3 2 INSTRUCTiON 1 To clear erase touch mKey twice Dlspla...

Page 6: ...ad 4 Touch Key once Read 5 Enter 12 Read 6 Touch II Answer Read 3 3 OVERFLOW INTERPRETATION The Overflow Indicator L will appear whenever an answer of more than eight digits occurs E ample 12 345 678 x 345 678 4 267 629 279 684 Will appear as C 42676 292 5 M4 tk t d1 a t Pi itt Ji 4li XLI 1 1 t ...

Page 7: ...For the actual answer move decimal point eight places to the right of its displayed position So answer is 4 267 629 200 000 C8 places_j Use m Key once to clear overflow condition 6 t j L Ill ...

Page 8: ...ouch the keys in the sequence as they appear to the right of this symbol The Calculator s display should appear as shown to the right of this symbol MUltiplication Symbol Divide Symbol Addition Symbol Subtraction Symbol Used for decimal point Symbol used to separate thousands s places Omni Constant Symbol Percentage x 7 r I IIII lIII lI v _ II n_u t tit kJ 4 ...

Page 9: ...1 10 5 3 2 20 L 2 D iii 3 a 4 II 5 xi a 6 EI 7 a 8 Il 9 II I 8 I t k ad tt Jt ...

Page 10: ...2 15 5 10 1 2 U B j 3 iii 4 B j 5 II 3 X 3x2K6 36 1 2 3 4 11 13 ifil 9 Ilb i1UJi 1 l JUS J _ ...

Page 11: ...5 a I 6 D j 7 II 4 81 73 7 9 3 1 m J 2 rl D D l 3 4 II j 4 U 5 J r II 6 D j 7 l II I 00 10 1 3 ...

Page 12: ...1 I D I 11 15 8 4 tIYk C C X 5 9 6 5 x 8 20 1 2 D 3 a 4 IJ 5 II 6 0 7 0 a 8 11 9 II 10 y a 11 II 12 Il q _ I llOl lIrsll J _ _ _ _ ...

Page 13: ...13 iii 6 g K 2 00 4 4 4 6 20 1 1 m I 2 U II I J I J I 3 a I 4 lJ I 5 iii I 6 iii j 7 iii I 8 a I 9 II I 10 iii 12 I 2 00 2 00 6 00 10 00 14 00 14 00 20 00 _ d 2 _ _ It JNIlIC WIIIJ JIIl JU t uu ...

Page 14: ...0 125 K x on 2 2x2x2 8 1 I 2 j fJ 3 a I 4 II I 5 II I lIIIDl K l x on Yo 125 1 2 tI I 3 II 4 a 5 a 13 I kJtlUkii ...

Page 15: ... K 2 3 5 6 3 9 8 3 11 1 i I 2 a I 3 a 4 II 5 a I 6 a I 7 a 8 g 9 II 14 JtSl MJ 2 2 ...

Page 16: ... K 5 3 2 8 3 5 10 3 7 1 2 B j 3 III 4 II 5 m 6 t iii 7 m 8 U a 9 II I 15 Iii j A t ...

Page 17: ... K x 3 x 6 18 3 x 5 15 3 x 8 24 1 m 2 fJ 3 i EI 4 D I 5 II 6 0 7 II 8 D 9 II 16 l9 I L ...

Page 18: ... K 6 3 2 15 3 5 21 3 7 1 m 2 D 3 m 4 a 5 II 6 J_f D 7 II 8 D II 9 II 17 3 iQ r sa ...

Page 19: ... 3 75 150 6 25 125 0 05 0 05 1 I l l 18 125 x 5 6 25 150 x 5 7 50 75 x 5 3 75 1 2 0 3 m 4 EI 5 D 6 II 7 I D 8 II 9 Ii 10 iii r P ...

Page 20: ...125 125 6 25 17 2 17 2 7 0 0 x 125 x 5 6 25 1 I 2 D II I 3 EI I 4 iii 5 f4 I 0 0 17 20 5 18 06 1 j 2 D D D I 3 0 i g I 4 iii I 19 h l i jill ...

Page 21: ...5 a 6 0 II I I 0 86 18 06 0 14 00 7 13 02 0 98 13 02 j j I 1 PAl 2 D 3 III 4 D 5 m 6 i II 20 I i ...

Page 22: ...1 5 9 4 11 _7 8 12 I J 0 ...

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