From a464ef4c0e3ce235fb1da70dfb282449beeeac80 Mon Sep 17 00:00:00 2001 From: Frankie B Date: Tue, 13 Jun 2023 21:59:16 +0100 Subject: Initialize laravel app --- calculators/index.php | 142 -------------------------------------------------- 1 file changed, 142 deletions(-) delete mode 100755 calculators/index.php (limited to 'calculators') diff --git a/calculators/index.php b/calculators/index.php deleted file mode 100755 index 3fef317..0000000 --- a/calculators/index.php +++ /dev/null @@ -1,142 +0,0 @@ - - - - - - - - - - - - - - -
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CASIO fx-CG50

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TBD

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Pictures

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CASIO fx-120 (1977-78)

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TBD

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Specifications

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Size8.4cm x 16.2cm x 2.4cm
Weight (w/ battery)209g
TypeScientific
CPUHitachi HD38111A
Registers2 standard
1 constant
4 bracket
1 memory
Features%, +/-, RV, F, Sci, ab⁄c, Sqr, x2, pi, 1⁄x, trig,
hyp, DMS-DD, log, yx, SD, nCr, P-R, n!
Display12-digit VFD (NEC LD8197A)
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Pictures

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CASIO fx-82 (1982-85)

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TBD

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Pictures

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Texas Instruments TI-30 (1976-90)

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TBD

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Pictures

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Texet 880 Executive (1977-78)

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The calculator measures 74.2mm x 135mm x 22.2mm. It weighs 86g without the battery installed, which is a 9v PP3-type battery. Rather than the usual press-stud type holder, the housing has two metal slide clips. There is also what I assume to be a sponge at one end which is supposed to aid in holding the battery in, however it appears to have gone completely hard and I will most likely replace it in the future. There's small adaptor hole at the top, of which the input isn't specified (though it's generally agreed that it's 4.5v centre-positive).

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The case is black & silvery colored with a thin brushed metallic front panel. The eight-digit bubble display has an absolutely terrible viewing angle, which means you either have to be holding it under your coat or against your face to read it!

- The keypad is particularly strange in the way that it has 3 cancel buttons, 
[CE]
, 
[C]
and 
[CA]
, while the 
[CS]
button is a Clear Sign button, not another cancel! The keys themselves are particularly stiff and you really have to push them to get them to register. Many 880s suffered something referred to as the "pseudo fixed decimal bug" where, if you typed in 
1 + 1.00 =
, it would display 
2.00
instead of the expected 
2
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Specifications

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Size7.4cm x 13.5cm x 2.2cm
Weight (w/o battery)86
TypeArithmetic
LogicAlgebraic
Power SourcePP3 9v
Display8-digit LED
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Pictures

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