Casio STUDY CAL AZ-80J
Brief History
For educational purposes, in the time that Casio announced the new fx-82 calculator, some cheaper and simplified calculators were developed: fx-7, fx-5 and the fx-JUNIOR, which hasn’t any scientific functions. This model was so popular in France, a renowned fx-JUNIOR was still in production. In the early 90’s Casio introduced some calculators especially for students in the elementary schools. The AZ-80J (J stands for JUNIOR) is a successor of the earlier fx-JUNIOR, and a mixture of a basic four-function and a scientific calculator: it has three levels of parentheses, attends to precedence of arithmetic operations, and although can’t accept exponents, results can be displayed in scientific notation. The most interesting is the random-number generating button in the upper right corner.
| Manufacturer: | CASIO Computer Co., Ltd. (Japan/Malaysia) |
| Mfg. date: | 1994 |
| Size: | 6,9×13,6×1,7 cm |
| Weight (ready for operate): | n.a. |
| Type: | extended four-function |
| Capacity: | 8 digits (input) 8/6+2 digits (display) 12+2 digits (internal precision) |
| Operating logic: | algebraic with precedence |
| Registers: | 2 standard (with saving the pending operation) 1 constant (with saving the pending operation) 3 bracket (with saving the pending operation) maximum of 1 memory (with aritmetic) |
| Features: | %calculation with percent +/-change sign (direct entry of negative numbers) Ffloating-point notation Sciscientific (exponential) notation Sqrsquare root x2square 1/xreciprocal |
| Display: | 8+1 digit LCD |
| Power: | 1×AAA battery |
AZ-80J
Inside of the AZ-80J
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