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Tag: casio fx-991es how to get back to regular normal mode

Calculator usage: binary, octal, and hex on the Casio fx-991ES PLUS C, part 1

By Jack Posted on February 11, 2026 Posted in Calculator Usage Tagged with bin, binary, Casio fx-991ES, casio fx-991es how to get back to regular normal mode, hex, hexadecimal, how to convert from decimal to binary on the Casio fx-991ES, how to convert from decimal to hex on the Casio fx-991ES, how to convert from decimal to octal on the Casio fx-991ES, octal

Tutoring math and comp sci, specific device functions can be important. The tutor mentions how to convert from decimal to binary, octal, or hexadecimal with the Casio fx-991ES PLUS C. The following is according to my understanding. Some people might …

Calculator usage: binary, octal, and hex on the Casio fx-991ES PLUS C, part 1 Read more »

Statistics, calculator usage: the normal distribution on the Casio fx-991ES PLUS C

By Jack Posted on January 30, 2026 Posted in statistics Tagged with Casio fx-991ES, casio fx-991es how to get back to regular normal mode, normal cd, normal cdf, normal cdf on casio fx-991ES, normal cumulative distribution function, normal distribution, normal distribution between two values, normal distribution function, normal distribution less than a value

Tutoring statistics, one uses all kinds of calculators. The tutor gives an example of how to use the Casio fx-991ES PLUS C for normal cdf calculations. The following is according to my understanding. As calculators go, it seems to me …

Statistics, calculator usage: the normal distribution on the Casio fx-991ES PLUS C Read more »