Model: -45A General: Name: Advanced Scientific Pocket Calculator Code-Name: Wizard Family: Classic Logic: RPN Features: scientific Firsts: last X, numbered registers, trig modes, conversion constants, store/recall arithmetic Introduction: Date: 1973-5-1 Price: $395 Discontinuation: Date: 1976-01-15 Price: $195 Production-Run: ? Display: Type: LED, 7 segment Size: 1 line x 15 chars Number-Formats: sign, 10 mantissa, ., exp sign, 2 exp Annunciators: ............... battery low (true decimal has digit to itself) Data: User-Visible: Smallest: 1E-99 Largest: 9.999999999E99 Signif.-Digits: 10 Internal: Smallest: 1E-99 Largest: 9.999999999E99 Signif.-Digits: 10 Data-Types-and-Sizes: real, 7 bytes Memory: Named-Registers: X, Y, Z, T, Last x 1-9 Flags: none Register-Usage: R5 \GSn R6 \GSx^2 R7 \GSx R8 \GSy R9 cleared by trig functions Numbered-Registers: 9 Program-Steps: none Program-Editing: none Program-Display: none User-RAM-Bytes: 98 Total-RAM-Bytes: ? ROM-Bytes: ? Machine-State: prefix key state stack lift enable display mode degrees / radians / grads registers File-Types: none Physical: Technology-Used: ? Processor: ? Chip-Count: ? Power-Source: 3 nickel-cadmium AA cells, AC Continuous-Memory: none Expansion-Ports: none I/O-Ports: none Clock: none (see Bugs) Length: 5.8 in Width: 3.2 in Height: 0.7 to 1.3 in Weight: 9 oz Temperature-Range: Operating: 0 to 50 deg C Charging: 10 to 40 deg C Storage: -40 to 65 deg C Keyboard: Switches: OFF / ON Shift-Keys: gold, yellow, above User-Defined-Keys: none Key-Arrangement:: ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ***** ** ** ** * *** *** *** * *** *** *** * *** *** *** * *** *** *** Key-Labels-Base-Keyboard:: x 1/x ln e FIX gold 2 x ->P SIN COS TAN x<>y Rv STO RCL % ENTER^ CHS EEX CLx - 7 8 9 + 4 5 6 x 1 2 3 \:- 0 . \GS+ Key-Labels-gold-yellow-above:: x x y log 10 SCI [] -1 -1 -1 \v/x ->R SIN COS TAN n! x-,s ->D.MS D.MS-> \GD% DEG RAD GRD CLEAR [] cm/in kg/lb ltr/gal [] [] [] [] [] [] [] [] [] LAST x \pi \GS- Programmable-Operations:: none Non-Programmable-Operations:: % percent of + addition - subtraction ->D.MS convert to hours,minutes,seconds ->P convert rectangular to polar ->R convert polar to rectangular 0-9, . enter digit or decimal point 1/x reciprocal 10^x common exponentiation CHS change sign CLEAR clear statistics and stack CLx clear X cm/in constant, value 2.54 COS cosine COS-1 arc cosine D.MS-> convert to decimal hours DEG degrees mode EEX start an exponent, 1 not required ENTER^ enter e^x natural exponentiation FIX 0-9 fixed decimal mode gold shift GRD grads mode kg/lb constant, value 0.453592370 LAST x LAST X ln natural logarithm log common logarithm ltr/gal constant, value 3.785411784 n! factorial RAD radians mode RCL +.-.x.\:- 1-9 recall arithmetic RCL 1-9 recall from register RCL \GS recall \GSx->X, \GSy->Y Rv roll the stack down SCI 0-9 scientific notation mode shift 1-6,-,+,x,\:- clear shift SIN sine SIN-1 arc sine STO +,-,x,\:- 1-9 storage arithmetic STO 1-9 store in register TAN tangent TAN-1 arc tangent x multiplication x-,s compute average, standard deviation x<>y exchange x and y x^2 square y^x power \:- division \GD% percent change \GS+ add to statistics \GS- subtract from statistics \pi constant, value 3.141592654 \v/x square root Menus:: none Bugs/ROM-Versions:: There is a hidden timer that is accessable due to a bug. To enter timer mode: do then these at once notes RCL CHS + 7 + 8 use X as initial time RCL CHS + 4 + 5 use X as initial time RCL CHS + 1 + 2 use X as initial time RCL CHS + 0 + . use X as initial time RCL ENTER^ + - + 7 use X as initial time RCL ENTER^ + x + 1 use X as initial time RCL ENTER^ + / + 0 use X as initial time while in timer mode: 1-9 (running) stores current time in register (stopped) recalls time from register CHS starts/stops the timer CLx reset count to 0 EEX toggle 1/100 sec display \GS+ stops the timer to leave timer mode: ENTER^ clears the display . leaves time in display Timer accuracy is low (roughly 4 sec/minute) and variable. Notes:: price changes: 1974-05-01 $325 1975-02-01 $245 1975-09-15 $195 The Corvus Model 500 (~1975-6) was a clone of this machine but added hyperbolics.
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Last modified Saturday, 2012-02-25T17:29:45-06:00.