diff --git a/gnu/packages/golang-maths.scm b/gnu/packages/golang-maths.scm
index b1bfe897cdc..d314a0ca8a1 100644
--- a/gnu/packages/golang-maths.scm
+++ b/gnu/packages/golang-maths.scm
@@ -1,6 +1,7 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2024 Rodion Goritskov <rodion.goritskov@gmail.com>
 ;;; Copyright © 2024 Sharlatan Hellseher <sharlatanus@gmail.com>
+;;; Copyright © 2025 IliaLuetin <antonstimmer@gmx.de>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -39,6 +40,31 @@
 ;;; Libraries:
 ;;;
 
+(define-public go-github-com-altree-bigfloat
+  (package
+    (name "go-github-com-altree-bigfloat")
+    (version "0.2.0")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+              (url "https://github.com/ALTree/bigfloat")
+              (commit (string-append "v" version))))
+       (file-name (git-file-name name version))
+       (sha256
+        (base32 "1jvqg5w4azwqv0ranir6vhlh6403pn6043jqbwsldan4vj6n5xmh"))))
+    (build-system go-build-system)
+    (arguments
+     (list
+      #:import-path "github.com/ALTree/bigfloat"))
+    (home-page "https://github.com/ALTree/bigfloat")
+    (synopsis "Arbitrary-precision operations for Golang's @code{big.Float}")
+    (description
+     "This package provides additional operations for the standard library's
+@code{big.Float} type, including natural logarithm, exponentiation, and power
+functions for arbitrary-precision floating-point numbers.")
+    (license license:expat)))
+
 (define-public go-github-com-aclements-go-gg
   (package
     (name "go-github-com-aclements-go-gg")