Craig 4501 Operating Instructions Manual Download | Manualshive

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Summary of Contents for 4501

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Page 2: ...either address shown below In warranty units will be returned postage prepaid Craig Corporation 921 W Artesia Blvd Compton CA 90220 Craig Corporation 50 52 Joseph St Moonachie N J 07074 INTRODUCTION Your Craig 4501 Electronic Calculator represents a significant engineering achievement resulting in full size capa bility in a pocket size package Major advances in miniaturized computer circuits using...

Page 3: ...ther the power switch is ON or OFF Battery Operation Disconnect the Charger cord and turn the power switch ON An interlock switch in the Calculator socket will prevent battery operation if the 3 wire plug remains con nected With normal use a full battery charge can be expected to supply about 5 hours of working time NOTE When the low battery indicator L on the display is lighted do not continue ba...

Page 4: ...s Low Battery Warns of need for battery of the display Pressing any Indicator charge during battery key also reactivates the operation display Appears as Key Clears the Calculator and the display of all numbers Minus Sign Activated by the key for III Key Clears display of the previous Indicator operations with negative II Key keyboard entry numbers Enters a multiply command Decimal Point Automatic...

Page 5: ...s PRELIMINARY INSTRUCTIONS 2 To enter write a number Example enter 123 45 A First clear by touching 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 the key B 123 45 3 To clear an incorrect entry Example 48 12 is your calculation A You have already entered 48 Display is ...

Page 6: ...r 3 6 e TOUCh Answer Example 2 To calculate 23 6 2 1 5 Do these steps display will be 9 83 16 39 26 22 16 39 b Enter 16 39 c Touch d Enter 9 83 e Touch II Answer Example 2 To calculate 16 9 8 3 4 1 Do these steps display will be a Touch b Enter 16 c Touch d Enter 9 e Touchll f Enter 8 3 g TouCh h nter 4 1 i TOU h Answer 33 3 37 4 a Touch b Enter 23 c TOUCh d Enter 6 e Touch f Enter 2 1 g TouCh h E...

Page 7: ...display will be a Touch b Push K on up c Enter 31 d Touch II e Enter 6 f Touch II 1st Answer g Enter 8 2 56 5 29 32 29 32 20 50 b Enter 29 32 c Touch II d Enter 56 5 e Touch II Answer 3 MULTIPLICATION Example 1 To calculate 29 32 x 56 5 Do these steps display will be a TouCh c TOUCh d Enter 82 e TouCh f Enter 10 g Touch II h Enter 40 i TOUCh Answer Example 3 To calculate 62 82 10 40 Do these steps...

Page 8: ... 3 To calculate 181 15 Use of K switch 96 15 117 15 Do these steps display will be a Touch 376 376 254 2 235 6 7 0943396 a Touch b Enter 81 c TOUCh d Enter 3 e Touch II Answer Example 2 To calculate 81 3 9 Do these steps display will be a Touch b Enter 376 c TOUCh d Enter 53 4 DIVISION Example 1 To calculate 37 53 Do these steps display will be h Touch II 2nd Answer i Enter 7 6 j Touch II 3rd Answ...

Page 9: ... TOUCh e Enter 3 b Push K on up f Touch II g Touch II h Touch II 15 333333 92 92 Answer 9 6 5 x 8 20 8 display will be e Touch II f TOUCh g Enter 6 h TouCh Example 2 To calculate Do these steps a Touch b Enter 9 c Touch II d Enter 6 e TouCh f Enter 5 5 MIXED ARITHMETIC Example 1 To calculate 23 x 4 7 6 Do these steps display will be a Touch II b Enter 23 c TOUCh d Enter 4 ...

Page 10: ... discharge As a general rule batteries lose about 1 charge per day due to self discharge at normal temperatures 4 For optimum performance and long life a Alternate frequently between Battery and AC power b Operate at or near normal room temperatures c Charge as soon as possible upon appearance of the Low Battery indicator 5 Recharge time is 14 hours for a fully discharged battery 6 The Low Battery...

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