Calibration of Hand-Held Calculators Most students lack the means and skills required to calibrate dials and gauges and must take readings "on faith." Biochemistry laboratory teaches them to "zero-in" calorimeters. Hand-held calculators have replaced slide rules, and students should be made aware that calculators must be calibrated just like other instruments. Solve F where Y is 1234 and r is 10. The answer for your calculator should be 8.18750535 x 1030using the F key (10 place register and Scientific Notation). 'Professor of Biochemistry (Retired).School ol Dentistry, Univemity of Detroit. Detroit. Address correspondence to 20224 Pleasant Avenue,
St. Clair Shores, MI 48080.
Charles E. ~ecker'
Volume 71 Number 11 November 1994
931
