Calculator FAQs:

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.