Q: Is a calculator typically a portable electronic device used to perform calculations? ¶
A: Yes, and ranging from basic arithmetic to complex mathematics.
Q: Were calculators very costly? ¶
A: Yes, and these advances in electronics, together with developments in display technology , led within a few years to the cheap pocket calculator available to all.
Q: Were calculators very costly? ¶
A: Yes, and at two or three weeks' wages, and so were a luxury item.
Q: Was a calculator affordable to most and they became common in schools? ¶
A: Yes.
Q: Was a calculator a prototype called "Caltex"? ¶
A: Yes, and whose development was led by Jack Kilby at Texas Instruments in 1967.
Q: Was a calculator developed in 1948 and? ¶
A: Yes, although costly, became popular for its portability.
Q: Is a calculator KRA 123? ¶
A: Yes, and powered by the power grid, was released at the start of the 1970s.
Q: Are calculators to be included as part of a review of the Curriculum? ¶
A: Yes.
Q: Was a calculator the Busicom LE-120A "HANDY"? ¶
A: Yes, and which was marketed early in 1971.
Q: Was a calculator created in the early 1960s? ¶
A: Yes.
Q: Is a calculator still produced? ¶
A: Yes.
Q: Was a calculator the Casio fx-7000G released in 1985? ¶
A: Yes.
Q: Are calculators the Sinclair Cambridge? ¶
A: Yes, and launched in August 1973.
Q: Are calculators able to work in vulgar fractions or mixed numbers? ¶
A: Yes.
Q: Was a calculator the HP-65, in 1974? ¶
A: Yes, it had a capacity of 100 instructions, and could store and retrieve programs with a built-in magnetic card reader.
Q: Were calculators successful because they were far cheaper than the competition? ¶
A: Yes, however, their design led to slow and inaccurate computations of transcendental functions.
Q: Are calculators : batteries? ¶
A: Yes, and solar cells or mains electricity , turning on with a switch or button.
Q: Was a calculator affordable? ¶
A: Yes, and that it was now difficult for the manufacturers to make a profit from calculators, leading to many firms dropping out of the business or closing down.
Q: Were calculators produced in the mid-1960s by Mathatronics and Casio? ¶
A: Yes, These machines were very heavy and costly.
Q: Were calculators also common in the early computer era? ¶
A: Yes.
Q: Are calculators pre-designed with specific functions built in? ¶
A: Yes.
Q: Are calculators also noted for a large number of highly counter-intuitive mysterious undocumented features? ¶
A: Yes, and somewhat similar to "synthetic programming" of the American HP-41, which were exploited by applying normal arithmetic operations to error messages, jumping to nonexistent addresses and other methods.