Gift suggestions for a 65-year-old person interested in Mathematics costing around $70

TI-84 Plus Graphing Calculator

The TI-84 Plus Graphing Calculator is a popular choice for students and professionals alike due to its advanced features such as multiple graph styles and built-in programming functions. The calculator has a high-resolution display with a backlit screen for easy viewing in any light. Texas Instruments, the brand behind this calculator, is known for their quality calculators and their commitment to education. The TI-84 Plus Graphing Calculator can be a little pricey, but it is worth the investment for anyone who needs to use mathematical functions regularly. An approximate price for this calculator is $115.

Set Game

Set Game is an exciting and challenging game that exercises your brain and visual perception skills. The game consists of cards with different shapes, colors, and patterns, and the goal is to find sets of three cards that match in certain ways. Set Game has received positive reviews for being a fun and engaging way to sharpen your mind. The game is made by Set Enterprises, a family-owned business dedicated to creating unique and enjoyable games that challenge the mind. An approximate price for this game is $10.

The Princeton Companion to Mathematics

The Princeton Companion to Mathematics is a comprehensive reference book for anyone interested in mathematics. The book covers a wide range of topics, from basic concepts to advanced theories, and includes contributions from over 200 mathematicians from around the world. The book has received positive reviews for being an authoritative and accessible resource that can be appreciated by both novices and experts in mathematics. The Princeton Companion to Mathematics is published by Princeton University Press, a highly reputable academic publisher known for their quality books. An approximate price for this book is $65.

Graphing Paper Notebook

A graphing paper notebook is a handy tool that can be used for a variety of mathematical functions, such as graphing equations and sketching geometric shapes. The notebook has a grid of evenly spaced squares that makes it easy to draw accurate graphs and diagrams. Graphing paper notebooks can be found in several brands such as Mead and TOPS. These brands are well-known for their quality paper products. An approximate price for this notebook is $5.

Mathematics: A Very Short Introduction

Mathematics: A Very Short Introduction is an accessible and engaging book that introduces readers to the world of mathematics. The book covers a range of topics, from the history of mathematics to modern applications such as cryptography and game theory. Mathematics: A Very Short Introduction has received positive reviews for being an informative and engaging read that demystifies the world of mathematics for the layperson. The book is part of the Very Short Introduction series by Oxford University Press, which is known for their concise and informative books on a wide range of subjects. An approximate price for this book is $15.

Similar interests and resources

People interested in mathematics are usually interested in other analytical disciplines such as physics, chemistry, and engineering. They are also likely to be interested in logic and puzzles, as well as programming languages and computer science. Below are five websites that offer great resources for anyone interested in mathematics: