
Calculated Industries 4065 Construction Master Pro Advanced Construction Math Calculator
188 checks since Aug 5 · $67.12–$115.77
Price as of Nov 6, 2026, 12:48 a.m. EST. Prices and availability change.
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At the November 6 check, the price was $78.98, against a recorded range of $65.98 to $84.99 across 186 checks since July 24.
$13.00 above lowest · Checked 2026-11-06
The lowest price Dipp has recorded for it is $65.98. Get one email if it gets back there.
Price as of Nov 6, 2026, 4:47 a.m. EST. Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.ca at the time of purchase will apply to the purchase of this product. As an Amazon Associate I earn from qualifying purchases.Prices and availability change.
This is Dipp's observed history, not every price ever offered on Amazon.ca.
The latest observations Dipp has stored for this product. These are periodic checks, not a record of every price Amazon displayed.
| Checked | Price |
|---|---|
| Nov 5, 2026, 10:47 p.m. | $78.51 |
| Nov 5, 2026, 8:47 a.m. | $78.51 |
| Nov 5, 2026, 1:47 a.m. | $78.90 |
| Nov 4, 2026, 10:47 a.m. | $78.90 |
| Nov 3, 2026, 9:47 p.m. | $78.98 |
| Nov 3, 2026, 7:47 a.m. | $78.98 |
| Nov 3, 2026, 1:17 a.m. | $78.74 |
| Nov 2, 2026, 10:47 a.m. | $78.74 |
| Nov 1, 2026, 9:47 p.m. | $78.76 |
| Nov 1, 2026, 7:47 a.m. | $84.99 |
| Oct 31, 2026, 7:47 p.m. | $84.99 |
| Oct 31, 2026, 4:48 a.m. | $84.99 |
Dipp’s recorded low is $65.98 (Oct 7, 2026). Get one email if it goes below that.
Nearest prices in this category, so today’s number has something to sit against.

188 checks since Aug 5 · $67.12–$115.77
Price as of Nov 6, 2026, 12:48 a.m. EST. Prices and availability change.

73 checks since Sep 26 · $63.99–$79.99
Price as of Nov 5, 2026, 11:47 p.m. EST. Prices and availability change.

121 checks since Jul 24 · $27.65–$79.10
Price as of Nov 6, 2026, 2:48 a.m. EST. Prices and availability change.

180 checks since Jul 24 · $39.99–$79.99
Price as of Nov 6, 2026, 1:48 a.m. EST. Prices and availability change.

19 checks since Oct 26 · $74.10–$92.99
Price as of Nov 6, 2026, 1:19 a.m. EST. Prices and availability change.

195 checks since Jul 25 · $306.99–$667.43
Price as of Nov 6, 2026, 4:47 a.m. EST. Prices and availability change.
The wider Electronics catalogue on Amazon.ca, each product with its own recorded price history.