डबल-स्ट्रक स्मॉल पाई ℼ

The lowercase letter ‘pi’ is popular in mathematics and the natural sciences. It is commonly used to denote one of the fundamental constants (3.14), matrices, osmotic pressure, parallax, etc. It is also employed to write about inflation and profit in economics.

Imagine that you have multiple phenomena or quantities denoted by the lowercase letter pi in one document. What can you do in this situation? Well, if it's necessary to mention both, use characters with different formatting! For example, add the classic lowercase π with a twice-drawn lowercase ℼ , bold italic 𝜋 , sans-serif 𝞹 , and other variations from the Unicode set.

संकेत ‘डबल-स्ट्रक स्मॉल पाई’ ‘अतिरिक्त अक्षर प्रतीक’ उपखंड में शामिल है, जो ‘पत्र-जैसे प्रतीक’ खंड का हिस्सा है, और यह Unicode संस्करण 4.1 के भाग के रूप में 2005 में स्वीकृत हुआ था।