TI 57, Subtraction tree I used plants from my

I used plants from my garden to block the UV rays and create unique

These delicate perennials grow in my Colorado high alpine garden

Memories of cooler temperatures

Mixed media on watercolor paper

I love the delicate flowers hiding in the background like memories from past garden seasons

TI 57, Subtraction tree I used plants from myBook pages, acrylic, ink, embroidery floss, thread, and charcoal 24" x 24" on cradled birch panel My parents were of the generation that used slide rulers to perform complex calculations. Calculators became available when I entered college, and everyone used Hewitt Packard 12Cs. (Does anyone else remember using reverse Polish notation?) My kids grew up with Texas Instrument calculators. So when I came across an old TI 57 calculator instruction