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Magiclick 880
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| Brand: | Magiclick |
| Model: | 880 CientÃfica (Scientist) |
| Origin: | Argentina. |
| Introduction: | 1975, this example was built in 1976 (datacode on the chip). |
| Type: | Scientific desktop calculator with very big LED display. |
| Functions: | 4-Basic function with constant plus: SIN/COS/TAN and inverses, Ln/LOG and inverses, square root, x^y, 1/x, Pi. It has a memory with keys M+, M-, X<->M, X<-M, X->M and the rare key M+X^2. There are no MC or MR keys! |
| Display: | 8 big digit LED display in one block. Each digit has 7 standard segments plus decimal point indication. Also there is a special digit at the far left for negative and overflow indication. There is no memory content indication. |
| Keyboard: | 20 keys on metal membrane over a printed circuit and 2 sliding switches for angle selection and On/Off. |
| Main chips: | A "Calculator on a chip" Rockwell A4002CA chip with datecode 7608 (August 1976). |
| Logic comments: | Expressions are inputted in algebraic format without parenthesis. The memory register usage is quite unusual with the rare key M+X^2 and the lack of MC and MR keys. Overflow error is recoverable pressing C. There is no -0 error, but this calculator has the decimal point ghost behavior: 2.25 + 3.75 gives 6.00 instead of 6. |
| Remarks: | Desktop version of the portable Magiclick 480 CientÃfica. Magiclick made a complete line of portable and desktop calculators based on the design of Novus calculators. |
| Size: | 8.86 x 4.53 x 1.77 in, 225 x 115 x 45 mm. |
| Condition: | (7/10) Good, very acceptable, minimum marks on casing, full working. |
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