Micro Instrumentation and Telemetry Systems
MITS calculators

Model
Description
Introduced
Kit Price
Assembled
816
Desktop, 8-digit display, 16-digit calculations 4-function
Nov. 1971
$179
$275
1440
Desktop, 14-digit display, square root, memory
Jun. 1972
$199.95
$249.95
816B
Desktop, 8-digit display, 16-digit calculations, 4-function
Jun. 1972
$149.95
$189.95
7400
Desktop, 14-digit scientific. Trig functions, 3- (7400A), 5- (7400B), or 7-level stack (7400C)
Dec. 1972
$339.95
$419.95
1206
Handheld, 6 digit display, 12-digit calculation, 4-function,
Jan. 1973
$49.95
$59.95
1209
Handheld, 9 digit display, 12-digit calculation, 4-function,
Jan. 1973
$69.95
$79.95
1212
Handheld, 12 digit, 4-function,
Jan. 1973
$89.95
$99.95
1230
Handheld, 12 digit display, 4-function,
Jan. 1973
$89.95
$99.95
1240
Handheld, 12 digit display, 4-function, memory
Jan. 1973
$119.95
$149.95
7440
Desktop, 14-digit, scientific
Mar. 1973
$199.95
$299.95
Programmer
256 step programmer for 7440, 816, 1440, 908DM.
Mar. 1973
$199.95
$299.95
150
Handheld, 8-digit, 4-function, square root, memory
Aug. 1973
$119.95
$149.95
941M
Handheld, 8-digit, 4-function, percent, metric conversions
Jan. 1974
$129.95
$149.95
908M
Handheld, 8-digit, 4-function, square root, memory
Jan. 1974
$99.95
$129.95
605M
Handheld, 6-digit, 4-function, percent
Jan. 1974
$49.95
$59.95
905M
Handheld, 8-digit, 4-function, percent
Jan. 1974
$59.95
$69.95
908DM
Desktop, 8-digit, 4-function, percent
Feb. 1974
$129.95
$149.95

Question: How much does the six-digit model cost compared to the twelve-digit model?
Answer: The six-digit model was $59.95 and the twelve-digit model was $99.95, $40 more expensive.