# Functions modeling change by Eric Connally — resale value

**Functions modeling change by Eric Connally** — resale value from real closed eBay sales.

Values are medians of real closed eBay sales, updated 2026-06-19. They are estimates for reference, not offers or appraisals — condition, completeness and edition move them a lot, so compare against the sold listings before pricing anything.

## Check the market

- [Sold listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DEric%2520Connally%2520Functions%2520modeling%2520change%26LH_Sold%3D1%26LH_Complete%3D1%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-sold&p=md-sold) — the closed sales these medians are computed from
- [Live listings on eBay](https://junkpal.ai/api/go?to=https%3A%2F%2Fwww.ebay.com%2Fsch%2Fi.html%3F_nkw%3DEric%2520Connally%2520Functions%2520modeling%2520change%26mkcid%3D1%26mkrid%3D711-53200-19255-0%26siteid%3D0%26campid%3D5339166094%26toolid%3D10001%26mkevt%3D1%26customid%3Dmd-live&p=md-live) — what sellers are asking right now

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## Details

| Field | Value |
| --- | --- |
| UPC / EAN | 1119210623 |
| Brand | Eric Connally |
| Published | 2004 |
| Publisher | Wiley |
| Pages | 624 |
| Editions | 22 |
| Category | Mathematics |

## Functions modeling change resale value

**Functions modeling change** by Eric Connally (2004). Across 22 editions. Used-book value depends heavily on edition (first printing vs. reprint), condition, dust jacket, and whether it's signed. First editions and out-of-print titles command the biggest premiums.

### What drives the price

First editions/first printings, intact dust jackets, signatures, and unmarked pages are the top value drivers. Book-club editions and later reprints are worth far less.

## FAQ

**Is this a rare edition of Functions Modeling Change?**

This book has been published in 22 editions, suggesting it is a well-established and available text.

**What is the original publication year of this textbook?**

Functions Modeling Change was published in 2004 by Wiley.

**How many pages are in the 2004 edition?**

The book contains 624 pages.

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Full price guide: https://junkpal.ai/products/functions-modeling-change-eric-connally-ol19159706w
How these values are computed: https://junkpal.ai/methodology
Cite as: "JunkPal price guide value as of 2026-06-19, based on real sold listings (junkpal.ai)"