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Description: 本设计以STC89C516RD+单片机为控制运算器，以8*6矩阵键盘控制，以12864ZB液晶显示，以9V电池供电。
对于此计算器我用了38个键的矩阵键盘，10个数字键，1个小数点键，1个正负键，4个常用运算键，1个等号键，1个清零键，1个第二功能键，4个三角函数运算键，4个常用公式键，还有8个其它功能键。此计算器与常用计算器无很大差别，其中四则运算、阶乘、百分比、平方、立方、组合、乘方、倒数都可以精确到十位 ，其它运算因为调用到C语言函数库，为浮点型，有效位只有7位。
-The design use STC89C516RD+ MCU to control the computing device, On 8*6 keyboard control, with 12864ZB matrix liquid crystal display (LCD),9v battery power.
For this calculator I used a matrix of 38 keys keyboard, 10 numeric keys, a decimal point key, a plus or minus keys, four common operation keys, an equal sign key, a Clear key, a The second function keys, four trigonometric functions keys, four commonly used formula keys, there are eight other function keys. This calculator and the calculator was no significant difference in common, including arithmetic, factorials, percentages, squares, cubes, mix, involution, the countdown can be accurate to 10, other operations because the call to C language function library for floating-point type, the effective bit only seven.
Keywords: Single-chip dot-matrix graphic LCD matrix keyboard C language library function.
Platform: |
Size: 77824 |
Author: huangyanfeng |
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Description: msp430 带字库12864zb的并行显示程序-Parallel with character display program 12864zb
Platform: |
Size: 3072 |
Author: tonganyu |
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